87965060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2789}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 196862400

約数和(自身を除く): 108897340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2789, 3154, 5578, 6308, 7885, 11156, 13945, 15770, 27890, 31540, 52991, 55780, 105982, 211964, 231487, 264955, 462974, 529910, 925948, 1059820, 1157435, 2314870, 4398253, 4629740, 8796506, 17593012, 21991265, 43982530, 87965060]

約数ペア:

[(1, 87965060), (2, 43982530), (4, 21991265), (5, 17593012), (10, 8796506), (19, 4629740), (20, 4398253), (38, 2314870), (76, 1157435), (83, 1059820), (95, 925948), (166, 529910), (190, 462974), (332, 264955), (380, 231487), (415, 211964), (830, 105982), (1577, 55780), (1660, 52991), (2789, 31540), (3154, 27890), (5578, 15770), (6308, 13945), (7885, 11156)]